Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка vi
... Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , • The three orders of lever , Passive organs of locomotion . Bones , Joints , Ligaments . Effects of atmospheric pressure on limbs ...
... Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , • The three orders of lever , Passive organs of locomotion . Bones , Joints , Ligaments . Effects of atmospheric pressure on limbs ...
Сторінка 7
... resistance , and effect the maximum of displacement ; the water being intermediate both as regards the degree of resistance offered and the amount of displacement produced . The speed of an animal is determined by its shape , mass ...
... resistance , and effect the maximum of displacement ; the water being intermediate both as regards the degree of resistance offered and the amount of displacement produced . The speed of an animal is determined by its shape , mass ...
Сторінка 8
... resistance offered to forward motion . A land animal is supported by the earth , and experiences little resistance from the air through which it moves , unless the speed attained is high . Its principal friction is that occasioned by ...
... resistance offered to forward motion . A land animal is supported by the earth , and experiences little resistance from the air through which it moves , unless the speed attained is high . Its principal friction is that occasioned by ...
Сторінка 17
... resistance of solids , semi - solids , fluids , etc. As the laws which regulate the locomotion of animals are essentially those which regulate the motion of bodies in general , it will be necessary to consider briefly at this stage the ...
... resistance of solids , semi - solids , fluids , etc. As the laws which regulate the locomotion of animals are essentially those which regulate the motion of bodies in general , it will be necessary to consider briefly at this stage the ...
Сторінка 18
... Resistance of fluids . — Animals moving in air and water experience in those media a sensible resistance , which is greater or less in proportion to the density and tenacity of the fluid , and the figure , superficies , and velocity of ...
... Resistance of fluids . — Animals moving in air and water experience in those media a sensible resistance , which is greater or less in proportion to the density and tenacity of the fluid , and the figure , superficies , and velocity of ...
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave convex Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate ostrich pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapid remarkable resistance right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track weight wing descends
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